Exhaust filter for a vacuum pump



FIG. 1 is a top, rear, and right side perspective view of the design;

FIG. 2 is a bottom, rear, and left side perspective view of the design;

FIG. 3 is a rear elevational view of the design;

FIG. 4 is a right side elevational view of the design;

FIG. 5 is a top plan view of the design;

FIG. 6 is a bottom plan view of the design; and,

FIG. 7 is front elevational view of the design. 

The ornamental design for an exhaust filter for a vacuum pump, as shown and described. 